‘He is driven by demons’: biographer Walter Isaacson on Elon Musk

Walter Isaacson - the bestselling author known for his biographies of Benjamin Franklin, Henry Kissinger, and Steve Jobs - sits down for lunch with Gillian Tett to discuss his new book about the unpredictable Elon Musk. After spending two years with 'total access' to the tech tycoon, he recounts everything he learned about him, and why he thinks "Twitter was never a good fit for Musk." Narrated by Sharon Bott.